Finding the Third Proportional to 19,774 and 30,796
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Solution
The third proportional to 19,774 and 30,796 is: 47,961.65
Step by Step Solution
- Step 1: Write the proportion equation
19,774 : 30,796 = 30,796 : x - Step 2: Convert to fraction form
19,774/30,796 = 30,796/x - Step 3: Cross multiply
19,774x = 30,796 × 30,796 - Step 4: Simplify right side
19,774x = 948,393,616 - Step 5: Solve for x
x = 948,393,616/19,774 - Step 6: Final answer
x = 47,961.65
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Why These Related Problems?
These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.